Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Concept Videos

Depth Perception and Spatial Vision01:15

Depth Perception and Spatial Vision

2.1K
Depth perception is the ability to perceive objects three-dimensionally. It relies on two types of cues: binocular and monocular. Binocular cues depend on the combination of images from both eyes and how the eyes work together. Since the eyes are in slightly different positions, each eye captures a slightly different image. This disparity between images, known as binocular disparity, helps the brain interpret depth. When the brain compares these images, it determines the distance to an object.
2.1K
Gestalt Principles of Perception01:21

Gestalt Principles of Perception

1.4K
Gestalt principles provide a framework for understanding how humans perceive objects as unified wholes within their context. These principles are essential in explaining the cognitive processes that make sense of complex visual stimuli by organizing them into coherent groups. One fundamental principle is proximity, which posits that objects located close to each other are perceived as a collective group. For instance, when dots are positioned near one another, the visual system interprets them...
1.4K
Parallel Processing01:20

Parallel Processing

780
The brain processes sensory information rapidly due to parallel processing, which involves sending data across multiple neural pathways at the same time. This method allows the brain to manage various sensory qualities, such as shapes, colors, movements, and locations, all concurrently. For instance, when observing a forest landscape, the brain simultaneously processes the movement of leaves, the shapes of trees, the depth between them, and the various shades of green. This enables a quick and...
780
Perceptual Constancy01:12

Perceptual Constancy

1.6K
Perceptual constancy is the ability to recognize that objects remain consistent and unchanged even when their appearance varies due to changes in sensory input. There are four main types of perceptual constancy: size constancy, shape constancy, color constancy, and brightness constancy.
Size constancy is the recognition that an object remains the same size, even when its image on the retina changes. For instance, a bus is perceived to be large enough to carry people, even if it looks tiny from...
1.6K
Piaget's Stage 1 of Cognitive Development01:14

Piaget's Stage 1 of Cognitive Development

1.9K
The sensorimotor stage, the initial phase of Jean Piaget's theory of cognitive development, spans the first two years of a child's life. During this period, infants actively engage with their surroundings, building cognitive awareness through direct interaction with the world. This interaction is primarily based on sensory perception and motor actions, allowing infants to gradually understand basic physical properties and predict how objects interact within their environment.
Exploration...
1.9K
State Space Representation01:27

State Space Representation

617
The frequency-domain technique, commonly used in analyzing and designing feedback control systems, is effective for linear, time-invariant systems. However, it falls short when dealing with nonlinear, time-varying, and multiple-input multiple-output systems. The time-domain or state-space approach addresses these limitations by utilizing state variables to construct simultaneous, first-order differential equations, known as state equations, for an nth-order system.
Consider an RLC circuit, a...
617

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Correction: Digital wellbeing experience in the workplace: development and validation of the Work-Related Human Computer Interaction Questionnaire.

Frontiers in public health·2026
Same author

Socio-psychological predictors of school dropout intention among Italian adolescents: evidence from a large-scale study.

Frontiers in psychology·2026
Same author

Exposure to false cardiac feedback alters pain perception and anticipatory cardiac frequency.

eLife·2026
Same author

Individual traits and experiences predict the content of dreams.

Communications psychology·2026
Same author

Breathing Strategies to Influence Perception: Evidence for Interoceptive and Exteroceptive Active Sensing.

The Journal of neuroscience : the official journal of the Society for Neuroscience·2026
Same author

Identifying six core motor learning variables for neurorehabilitation: a comprehensive review with natural language processing analysis.

European journal of physical and rehabilitation medicine·2026
Same journal

Correction: A method for supervoxel-wise association studies of age and other non-imaging variables from coronary computed tomography angiograms.

Scientific reports·2026
Same journal

Poly(bromophenol blue)/CoSn(OH)<sub>6</sub> cubic particles modified pencil graphite electrode for electrochemical determination of diphenhydramine.

Scientific reports·2026
Same journal

Dietary Chlorella, Spirulina, and acidifier modulate jejunal cytokine-related gene expression in broiler chickens.

Scientific reports·2026
Same journal

Perceived physical activity barriers in university students: associations with fatigue and eating behaviours.

Scientific reports·2026
Same journal

Refuge limitation structures habitat use in agricultural landscapes: evidence from Sunda pangolins.

Scientific reports·2026
Same journal

Lightweight stateless transaction verification with outsourced witness updates for UTXO blockchains.

Scientific reports·2026
See all related articles

Related Experiment Video

Updated: Feb 16, 2026

Observing the Transformation of Bodily Self-consciousness in the Squeeze-machine Experiment
07:20

Observing the Transformation of Bodily Self-consciousness in the Squeeze-machine Experiment

Published on: March 8, 2019

14.3K

Peripersonal space representation develops independently from visual experience.

Emiliano Ricciardi1, Dario Menicagli1, Andrea Leo1,2

  • 1MOMILab, IMT School for Advanced Studies Lucca, I-55100, Lucca, Italy.

Scientific Reports
|December 17, 2017
PubMed
Summary
This summary is machine-generated.

Congenitally blind individuals map objects into their peripersonal space similarly to sighted people. This spatial mapping occurs regardless of visual experience, even for objects outside reach but within another

More Related Videos

Visualization Method for Proprioceptive Drift on a 2D Plane Using Support Vector Machine
07:05

Visualization Method for Proprioceptive Drift on a 2D Plane Using Support Vector Machine

Published on: October 27, 2016

9.6K
Creating Virtual-hand and Virtual-face Illusions to Investigate Self-representation
06:53

Creating Virtual-hand and Virtual-face Illusions to Investigate Self-representation

Published on: March 1, 2017

13.9K

Related Experiment Videos

Last Updated: Feb 16, 2026

Observing the Transformation of Bodily Self-consciousness in the Squeeze-machine Experiment
07:20

Observing the Transformation of Bodily Self-consciousness in the Squeeze-machine Experiment

Published on: March 8, 2019

14.3K
Visualization Method for Proprioceptive Drift on a 2D Plane Using Support Vector Machine
07:05

Visualization Method for Proprioceptive Drift on a 2D Plane Using Support Vector Machine

Published on: October 27, 2016

9.6K
Creating Virtual-hand and Virtual-face Illusions to Investigate Self-representation
06:53

Creating Virtual-hand and Virtual-face Illusions to Investigate Self-representation

Published on: March 1, 2017

13.9K

Area of Science:

  • Neuroscience
  • Cognitive Psychology
  • Perception

Background:

  • Human actions rely heavily on vision to represent object features and map them into personal space.
  • The capacity for spatial mapping in individuals lacking visual experience remains largely unexplored.

Purpose of the Study:

  • To investigate how congenitally blind individuals represent and map objects within their peripersonal space.
  • To compare the peripersonal space mapping abilities of blind and sighted individuals.
  • To determine if visual experience is essential for developing peripersonal space representation.

Main Methods:

  • Behavioral experiments using a spatial alignment effect paradigm.
  • Comparison between sighted and congenitally blind participants.
  • Presentation of visual and auditory objects within and outside reachable space.

Main Results:

  • Sighted and congenitally blind subjects exhibited similar abilities in mapping objects into their peripersonal space.
  • Object mapping into peripersonal space occurred even for objects outside the subject's reach.
  • This mapping extended to objects within another agent's peripersonal space.

Conclusions:

  • Visual experience does not significantly impact the development of personal peripersonal space representation.
  • The ability to map objects into peripersonal space is not solely dependent on vision.
  • Peripersonal space representation, including that of others, develops similarly in sighted and congenitally blind individuals.